<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item>首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索 添加 -->
      <el-row :gutter="20">
        <el-col :span="6">
          <el-input placeholder="请输入内容"
                    v-model="queryInfo.query"
                    clearable
                    @clear="getUserList">
            <el-button slot="append"
                       icon="el-icon-search"
                       @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary"
                     @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userlist"
                border
                stripe>
        <!-- stripe: 斑马条纹
        border：边框-->
        <el-table-column type="index"
                         label="序号"></el-table-column>
        <el-table-column prop="username"
                         label="用户名"></el-table-column>
        <el-table-column prop="email"
                         label="邮箱"></el-table-column>
        <el-table-column prop="mobile"
                         label="电话"></el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button type="primary"
                       icon="el-icon-edit"
                       size="mini"
                       circle
                       @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger"
                       icon="el-icon-delete"
                       size="mini"
                       circle
                       @click="removeUserById(scope.row.id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange"
                     @current-change="handleCurrentChange"
                     :current-page="queryInfo.pageNo"
                     :page-size="queryInfo.pageSize"
                     layout="total, prev, pager, next, jumper"
                     :total="total"></el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户"
               :visible.sync="addDialogVisible"
               width="50%"
               @close="addDialogClosed">
      <!-- 内容主体 -->
      <el-form :model="addUserForm"
               ref="addUserFormRef"
               :rules="addUserFormRules"
               label-width="100px">
        <el-form-item label="用户名"
                      prop="username">
          <el-input v-model="addUserForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码"
                      prop="password">
          <el-input v-model="addUserForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱"
                      prop="email">
          <el-input v-model="addUserForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机"
                      prop="mobile">
          <el-input v-model="addUserForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer"
            class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary"
                   @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog title="修改用户信息"
               :visible.sync="editDialogVisible"
               width="50%"
               @close="editDialogClosed">
      <!-- 内容主体 -->
      <el-form :model="editUserForm"
               ref="editUserFormRef"
               :rules="editUserFormRules"
               label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editUserForm.username"
                    disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱"
                      prop="email">
          <el-input v-model="editUserForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机"
                      prop="mobile">
          <el-input v-model="editUserForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer"
            class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary"
                   @click="editUser">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
export default {
  data() {
    return {
      // 获取用户列表查询参数对象
      queryInfo: {
        query: "",
        // 当前页数
        pageNo: 1,
        // 每页显示多少数据
        pageSize: 5,
      },
      userlist: [],
      total: 0,
      // 添加用户对话框
      addDialogVisible: false,
      // 用户添加
      addUserForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      // 用户添加表单验证规则
      addUserFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 2,
            max: 10,
            message: "用户名的长度在2～10个字",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入用户密码", trigger: "blur" },
          {
            min: 6,
            max: 18,
            message: "用户密码的长度在6～18个字",
            trigger: "blur",
          },
        ],
        email: [{ required: true, message: "请输入邮箱", trigger: "blur" }],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
        ],
      },
      // 修改用户
      editDialogVisible: false,
      editUserForm: {},
      // 编辑用户表单验证
      editUserFormRules: {
        email: [{ required: true, message: "请输入邮箱", trigger: "blur" }],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
        ],
      },
      // 分配角色对话框
      setRoleDialogVisible: false,
      // 当前需要被分配角色的用户
      userInfo: {},
      // 所有角色数据列表
      rolesLsit: [],
      // 已选中的角色Id值
      selectRoleId: "",
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("user/list", {
        params: this.queryInfo,
      });
      if (res.code !== 200) {
        return this.$message.error("获取用户列表失败！");
      }
      this.userlist = res.data.records;
      this.total = res.data.total;
    },
    // 监听 pageSize改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize)
      this.queryInfo.pageSize = newSize;
      this.getUserList();
    },
    // 监听 页码值 改变事件
    handleCurrentChange(newSize) {
      // console.log(newSize)
      this.queryInfo.pageNo = newSize;
      this.getUserList();
    },
    // 监听 添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addUserFormRef.resetFields();
    },
    // 添加用户
    addUser() {
      // 提交请求前，表单预验证
      this.$refs.addUserFormRef.validate(async (valid) => {
        // console.log(valid)
        // 表单预校验失败
        if (!valid) return;
        const { data: res } = await this.$http.post(
          "user/modify",
          this.addUserForm
        );
        if (res.code !== 200) {
          this.$message.error("添加用户失败！");
          return;
        }
        this.$message.success("添加用户成功！");
        // 隐藏添加用户对话框
        this.addDialogVisible = false;
        this.getUserList();
      });
    },
    // 编辑用户信息
    async showEditDialog(id) {
      const { data: res } = await this.$http.get("user/" + id);
      if (res.code !== 200) {
        return this.$message.error("查询用户信息失败！");
      }
      this.editUserForm = res.data;
      this.editDialogVisible = true;
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed() {
      this.$refs.editUserFormRef.resetFields();
    },
    // 修改用户信息
    editUser() {
      // 提交请求前，表单预验证
      this.$refs.editUserFormRef.validate(async (valid) => {
        // console.log(valid)
        // 表单预校验失败
        if (!valid) return;
        const { data: res } = await this.$http.post("user/modify", {
          id: this.editUserForm.id,
          email: this.editUserForm.email,
          mobile: this.editUserForm.mobile,
        });
        if (res.code !== 200) {
          this.$message.error("更新用户信息失败！");
        }
        // 隐藏添加用户对话框
        this.editDialogVisible = false;
        this.$message.success("更新用户信息成功！");
        this.getUserList();
      });
    },
    // 删除用户
    async removeUserById(id) {
      const confirmResult = await this.$confirm("确定删除该用户?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).catch((err) => err);
      // 点击确定 返回值为：confirm
      // 点击取消 返回值为： cancel
      if (confirmResult !== "confirm") {
        return this.$message.info("已取消删除");
      }
      const { data: res } = await this.$http.post("user/remove/" + id);
      if (res.code !== 200) return this.$message.error("删除用户失败！");
      this.$message.success("删除用户成功！");
      this.getUserList();
    },
  },
};
</script>

<style lang="less" scoped>
</style>
